Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Ray, Sayak"'
A tiny drop of one liquid, suspended within another, may be set into motion aligned with an imposed thermal gradient, as influenced by thermocapillary action stemming from the gradients in interfacial tension due to the local variations in temperatur
Externí odkaz:
http://arxiv.org/abs/2403.07361
Publikováno v:
Annalen der Physik, 2300505 (2024)
We consider a driven-dissipative system consisting of an atomic Bose-Einstein condensates loaded into a two-dimensional Hubbard lattice and coupled to a single mode of an optical cavity. Due to the interplay between strong, repulsive atomic interacti
Externí odkaz:
http://arxiv.org/abs/2311.13301
Publikováno v:
Journal of Physics: Condensed Matter 36 (16), 163001 (2024)
Ergodicity, a fundamental concept in statistical mechanics, is not yet a fully understood phenomena for closed quantum systems, particularly its connection with the underlying chaos. In this review, we consider a few examples of collective quantum sy
Externí odkaz:
http://arxiv.org/abs/2309.15527
We study the interplay of chaos and tunnelling between two weakly-coupled Bose-Josephson junctions. The classical phase space of the composite system has a mixed structure including quasi-integrable self-trapping islands for particles and excitations
Externí odkaz:
http://arxiv.org/abs/2206.09371
Publikováno v:
Phys. Rev. A 106, 043321 (2022)
We consider a Bose-Josephson junction (BJJ) formed by a binary mixture of ultracold atoms to investigate the manifestation of coherent collective dynamics on ergodicity and quantum scars, unfolding the connection between them. By tuning the inter- an
Externí odkaz:
http://arxiv.org/abs/2204.12422
Publikováno v:
In Advances in Space Research 15 October 2024 74(8):3569-3582
Publikováno v:
Phys. Rev. Lett. 128, 130604 (2022)
The driven-dissipative Dicke model features normal, superradiant, and lasing steady-states that may be regular or chaotic. We report quantum signatures of chaos in a quench protocol from the lasing states. Within the framework of a classical mean-fie
Externí odkaz:
http://arxiv.org/abs/2201.07669
Autor:
Fadiheh, Mohammad Rahmani, Wezel, Alex, Mueller, Johannes, Bormann, Joerg, Ray, Sayak, Fung, Jason M., Mitra, Subhasish, Stoffel, Dominik, Kunz, Wolfgang
Hardware (HW) security issues have been emerging at an alarming rate in recent years. Transient execution attacks, in particular, pose a genuine threat to the security of modern computing systems. Despite recent advances, understanding the intricate
Externí odkaz:
http://arxiv.org/abs/2108.01979
Publikováno v:
Ann. Phys. (Berlin), 2100581 (2022)
We investigate the temperature-dependent behavior emerging in the vicinity of the superfluid (SF) to Mott-insulator (MI) transition of interacting bosons in a two-dimensional optical lattice, described by the Bose-Hubbard model. The equilibrium phase
Externí odkaz:
http://arxiv.org/abs/2106.14860
We investigate the onset of chaos in a periodically kicked Dicke model (KDM), using the out-of-time-order correlator (OTOC) as a diagnostic tool, in both the oscillator and the spin subspaces. In the large spin limit, the classical Hamiltonian map is
Externí odkaz:
http://arxiv.org/abs/2101.05155